[LayoutNG] Paint inlines from the fragment tree

third_party/WebKit/Source/core/paint/BoxPainterBase.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BoxPainterBase_h
 #define BoxPainterBase_h
 
 #include "core/style/ShadowData.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "platform/wtf/Allocator.h"
 
 namespace blink {
 
 class ComputedStyle;
 class Document;
 class FloatRoundedRect;
 class LayoutPoint;
 class LayoutRect;
+class FillLayer;
 struct PaintInfo;
 
 // Base class for box painting. Has no dependencies on the layout tree and thus
 // provides functionality and definitions that can be shared between both legacy
 // layout and LayoutNG. For performance reasons no virtual methods are utilized.
 class BoxPainterBase {
   STACK_ALLOCATED();
 
  public:
   BoxPainterBase() {}
@@ skipping 20 matching lines @@
       const FloatRoundedRect& bounds,
       const ComputedStyle&,
       bool include_logical_left_edge = true,
       bool include_logical_right_edge = true);
 
   static bool ShouldForceWhiteBackgroundForPrintEconomy(const Document&,
                                                         const ComputedStyle&);
 
   LayoutRect BoundsForDrawingRecorder(const PaintInfo&,
                                       const LayoutPoint& adjusted_paint_offset);
+
+  typedef Vector<const FillLayer*, 8> FillLayerOcclusionOutputList;
+  // Returns true if the result fill layers have non-associative blending or
+  // compositing mode.  (i.e. The rendering will be different without creating
+  // isolation group by context.saveLayer().) Note that the output list will be
+  // in top-bottom order.
+  bool CalculateFillLayerOcclusionCulling(
+      FillLayerOcclusionOutputList& reversed_paint_list,
+      const FillLayer&,
+      const Document&,
+      const ComputedStyle&);
 };
 
 }  // namespace blink
 
 #endif